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🌊 Marine Least Concern 🌡️ Subtropical

Northern spiny dogfish

Squalus griffini Phillipps, 1931
Max Length
89.9 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
37–950 m
Climate
Subtropical
Resilience
Very low
Vulnerability
67.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Northern spiny dogfish (Squalus griffini) is a ray-finned fish of the family Squalidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 89.9 cm. It occurs at depths between 37 and 950 metres. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Squalus griffini
Authority
Phillipps, 1931
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
89.9 cm
Depth Range
37–950 m
Trophic Level
4.2
Resilience
Very low
Vulnerability
67.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Northern spiny dogfish is currently being compiled.

🌀 Behaviour

Behavioural data for Northern spiny dogfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Viviparous 📦 Batch Spawner 🤰 Viviparous
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
Internal

Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range 37 - 950 m , usually 100 - 500 m . Subtropical Southwest Pacific: New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
4.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00288 × L3.09 (TL)
Max TL
89.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
67.00/100
High vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Subtropical
Described By
Phillipps, 1931

👥 Community & Contribute

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